Answer: (1) Altitude increases, pressure decreases
The atmospheric force changes with elevation as the concentration of the windfalls and the air gets scarcer.
As height climbs, atmospheric pressure lowers.
As we understand, the concentration of air increases at the planet’s surface (because of gravity) and gradually decreases as we move to higher elevations, finally leading to empty spaces that are outside the planet’s atmosphere.
As a result, the atmospheric stress is greater at low elevations due to the increased density. The air pressure remains low at greater heights, and the thickness remains low.